18 EATON EP Control for Heavy Duty Series 2 Piston Pumps Parts & Service 08-10-0002-EN-0901 September 2001
Troubleshooting
Reference Settings
Solenoid 4-Pin Connector
PINS SOLENOID 12 VOLT COIL 24 VOLT COIL
A & B Coil 1 5 ohms 21 ohms
C&D Coil 2 5 ohms 21 ohms
Note: Only 12 volt coils are used with EP Control electronics module
Joystick Position
DC VOLTAGE MEASURED ACROSS DESIGNATED
PINS AT THE CUSTOMER THREE-PIN CONNECTOR
A to B
Full-Forward 5 Vdc
Neutral 2.5 Vdc
Full-Reverse 0 Vdc
Command Input Device – 12/24 Volt Systems (5 Ω coils)
CURRENT TO COIL 1 CURRENT TO COIL 2
PINS A & B PINS C & D
YELLOW & WHITE WIRES ORANGE & BLACK WIRES
Max command in Minimum 1.5 A 0 A
one direction Maximum 2.0 A 0 A
Neutral 0 A 0 A
Max command in 0 A Minimum 1.5 A
the same direction 0 A Maximum 2.0 A
Troubleshooting
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